B. Rauch, W. Zober, Q. Abarr, Y. Akaike, W. Binns, R. Borda, R. G. Bose, T. Brandt, D. L. Braun, J. H. Buckley, N. Cannady, S. Coutu, R. M. Crabill, P. Dowkontt, M. H. Israel, M. Kandula, J. Krizmanic, A. Labrador, W. Labrador, L. Lisalda, J. V. Martins, M. P. McPherson, R. A. Mewaldt, J. G. Mitchell, J. W. Mitchell, S. Mognet, R. P. Murphy, G. D. de Nolfo, S. Nutter, M. Olevitch, N. E. Osborn, I. Pastrana, K. Sakai, M. Sasaki, S. Smith, H. A. Tolentino, N. Walsh, J. E. Ward, D. Washington, A. West, L. Williams
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引用次数: 0
摘要
跨铁银河系元素记录仪（TIGER）系列仪器经过优化，可以测量原子序数（Z）Z ≥ 30 的稀有超重银河宇宙射线（UHGCRs）的相对丰度。对超重星系宇宙射线的观测需要大量的曝光时间，气球上的超级天文台利用大面积探测器（5.6 平方米）和两次共计 87 天的南极飞行实现了这一目标，而较小（∼1 平方米）的国际空间站天文台望远镜（TIGERISS）的目标是利用一至数年的较长观测时间实现这一目标。超级 TIGER 使用闪烁体和切伦科夫探测器的组合来确定电荷和能量。TIGERISS 将使用硅带探测器（SSD）代替闪烁体，从而提高电荷分辨率、信号线性度和动态范围。通过 82Pb 扩展的单元素分辨率 UHGCR 测量将涵盖在 s 过程和 r 过程中子俘获核合成中产生的元素，为确定超新星（SNe）和中子星合并（NSM）事件对星系 r 过程核合成产物含量的相对贡献的多信使努力提供补充。
The Trans-Iron Galactic Element Recorder (TIGER) family of instruments is optimized to measure the relative abundances of the rare, ultra-heavy galactic cosmic rays (UHGCRs) with atomic number (Z) Z ≥ 30. Observing the UHGCRs places a premium on exposure that the balloon-borne SuperTIGER achieved with a large area detector (5.6 m2) and two Antarctic flights totaling 87 days, while the smaller (∼1 m2) TIGER for the International Space Station (TIGERISS) aims to achieve this with a longer observation time from one to several years. SuperTIGER uses a combination of scintillator and Cherenkov detectors to determine charge and energy. TIGERISS will use silicon strip detectors (SSDs) instead of scintillators, with improved charge resolution, signal linearity, and dynamic range. Extended single-element resolution UHGCR measurements through 82Pb will cover elements produced in s-process and r-process neutron capture nucleosynthesis, adding to the multi-messenger effort to determine the relative contributions of supernovae (SNe) and Neutron Star Merger (NSM) events to the r-process nucleosynthesis product content of the galaxy.
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